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Code Compliance & Standards Flashcards

7 cards from real AEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Code Compliance & Standards flashcards as text

  1. Which NEC article specifically governs the installation of electrical equipment in classified (hazardous) locations such as substations with battery rooms?

    Answer: Article 500

    NEC Article 500 defines the classification of hazardous locations and requirements for electrical equipment installed in Class I, II, and III divisions.

  2. According to NERC CIP-006, which physical security requirement applies to AEP's critical cyber asset locations?

    Answer: Physical security perimeters with controlled access and logging

    NERC CIP-006 requires that Physical Security Perimeters (PSPs) be established with controlled access points and access logs for critical cyber asset locations.

  3. Per NESC Rule 217, what is the minimum required working clearance between a lineman and an energized 34.5kV conductor?

    Answer: 2.5 feet

    NESC Rule 217 establishes minimum approach distances; for 34.5kV, the minimum distance for qualified workers is 2.5 feet (0.76 m).

  4. Under IEEE 80, what factor is used to limit touch and step potential hazards during ground fault events at substations?

    Answer: Designing the grounding grid to maintain safe voltage gradients

    IEEE 80 provides criteria for grounding grid design that limits touch and step potentials to safe levels during ground fault events.

  5. Which NFPA 70E concept requires that electrical equipment be de-energized before work begins unless it can be demonstrated that energized work is necessary?

    Answer: Electrically safe work condition

    NFPA 70E requires establishing an electrically safe work condition (de-energizing, LOTO, verifying) before work unless a justified exception applies.

  6. What does NEC Article 708 define, and why is it relevant to AEP's critical power infrastructure?

    Answer: Critical operations power systems (COPS) for continuity of essential services

    NEC Article 708 covers Critical Operations Power Systems designed to remain operational during emergencies, relevant to control centers and critical infrastructure.

  7. Which standard governs the calibration and testing intervals for electrical protective equipment (rubber goods) used by utility workers?

    Answer: ASTM F479

    ASTM F479 specifies the test methods and intervals (every 6 months) for in-service testing of rubber insulating blankets used by electrical workers.